Dr. Vivek Hallegere Murthy, President Barack Obama's nominee to be the next U.S. Surgeon General, listens on Capitol Hill in Washington, Tuesday, Feb. 4, 2014, during his confirmation hearing before the Senate Health, Education, Labor, and Pensions (HELP) Committee.  (AP Photo/Charles Dharapak)

Photo by: Charles Dharapak

Dr. Vivek Hallegere Murthy, President Barack Obama's nominee to be the next U.S. Surgeon General, listens on Capitol Hill in Washington, Tuesday, Feb. 4, 2014, during his confirmation hearing before the Senate Health, Education, Labor, and Pensions (HELP) Committee. (AP Photo/Charles Dharapak)